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Doubles in session


Current system
18232-1903
I 1365
HD 168972


Nearby doubles
9' : 18228-1910
OCC 474

13' : 18241-1905
ARA 747

16' : 18223-1856
J 1740AB

16' : 18236-1849
ARA 477

20' : 18244-1917
J 1630

21' : 18228-1843
CHR 235

23' : 18217-1909
BRT1531

29' : 18214-1852
EVS 35AB

29' : 18238-1930
LEO 16

34' : 18237-1936
ARA 746

35' : 18242-1935
BU 49AB

40' : 18260-1901
TDT 863

41' : 18232-1823
TOB 288

46' : 18246-1944
OCC 459

46' : 18262-1846
J 1743

48' : 18210-1939
BU 48AB

50' : 18229-1818
J 1629

53' : 18262-1832
CHR 236

54' : 18261-1829
ARA 478

57' : 18272-1852
ARA 483

60' : 18274-1900
ARA 751

61' : 18270-1835
SKF 935

62' : 18205-1951
DON 892

63' : 18258-1953
ARA 750

63' : 18209-1956
RST3177

64' : 18264-1819
ARA 480



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18232-1903 I 1365 (HD 168972)

 
 
18h 23m 11.95s -19° 02' 58.4" P.A. 150.00 sep 1.3 mag 10.27,10.30 Sp B9II
 
 
Coord 2000 18232-1903 Discov num I  1365 Comp Coord arcsec 2000 18 23 11.95 -19 02 58.4
Date first 1925 Date last 1957 Obs 3
Pa first 152 Pa last 149.8 P.A. Now (θ) 149.8°
Sep first 1.2 Sep last 1.26 Sep. Now (ρ) 1.26"
Mag pri 10.27 Mag sec 10.30 delta mag (ΔM) 0.03 Spectral class B9II (blue-white)
Pri motion ra -003 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 168972 Constellation Sagittarius Tycho2 6273-01001-1 Gaia DR2 4096041006604016384
HD 168972 ADS 11297
 
 
WDS 18232-1903 I 1365 (HD 168972) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18232-1903 I 1365 1957 3 150 1.3 10.27 10.30 B9II 182311.95-190258.4

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 18232-1903 I 1365 (HD 168972) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18232-1903 I 1365 (HD 168972) : MEASURES
 
 
No records found.

 
 
WDS 18232-1903 (HD 168972) : VIRTUAL EYEPIECE
 
 

18232-1903 I 1365A mag 10.27 Sp B9II 18232-1903 I 1365B sep 1.2 P.A. 151.20 mag 10.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18232-1903 (HD 168972) : ALADIN DSS IMAGE @ 18h 23m 11.95s -19° 02' 58.4"
 
 
 
 
WDS 18232-1903 I 1365 (HD 168972) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18232-1903 I 1365 distance=0' 18228-1910 OCC 474 distance=9' 18241-1905 ARA 747 distance=13' 18223-1856 J 1740AB distance=16' 18223-1856 J 1740AC distance=16' 18236-1849 ARA 477 distance=16' 18244-1917 J 1630 distance=20' 18228-1843 CHR 235 distance=21' 18217-1909 BRT1531 distance=23' 18214-1852 EVS 35AB distance=29' 18214-1852 KRV 48AC distance=29' 18214-1852 KRV 48AD distance=29' 18238-1930 LEO 16 distance=29' 18237-1936 ARA 746 distance=34' 18242-1935 BU 49AB distance=35' 18242-1935 BU 49AC distance=35' 18242-1935 BU 49AD distance=35' 18260-1901 TDT 863 distance=40' 18232-1823 TOB 288 distance=41' 18246-1944 OCC 459 distance=46' 18262-1846 J 1743 distance=46' 18210-1939 BU 48AB distance=48' 18210-1939 BU 48AC distance=48' 18210-1939 BU 48CD distance=49' 18229-1818 J 1629 distance=50' 18262-1832 CHR 236 distance=53' 18261-1829 ARA 478 distance=54' 18272-1852 ARA 483 distance=57' 18274-1900 ARA 751 distance=60' 18270-1835 SKF 935 distance=61' 18205-1951 DON 892 distance=62' 18258-1953 ARA 750 distance=63' 18209-1956 RST3177 distance=63' 18264-1819 ARA 480 distance=64' 18206-1811 SKF 100 distance=64' 18270-1830 OCC 541 distance=64' 18274-1838 LEO 17AB distance=65' 18274-1838 LEO 17AC distance=65' 18186-1906 OCC9181 distance=65' 18267-1822 ARA 481 distance=65' 18210-1805 DON 893 distance=66' 18231-2009 DON 897 distance=66' 18196-1944 WRH 30 distance=66' 18274-1838 LEO 17DE distance=68' 18191-1828 ARA 474 distance=69' 18187-1837 BU 300CD distance=69' 18212-1800 DON 894 distance=69' 18187-1837 BU 639AB distance=69' 18187-1837 SHJ 264AB,C distance=69' 18187-1837 FOX 225AB,E distance=69' 18184-1859 OCC9180 distance=69' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 18232-1903 I 1365 150 1.3
Show 18228-1910 OCC 474 -1 0.2 9
Show 18241-1905 ARA 747 291 6.2 13
Show 18223-1856 J 1740 AB 148 5.4 16
Show 18223-1856 J 1740 AC 178 8.7 16
Show 18236-1849 ARA 477 352 13.9 16
Show 18244-1917 J 1630 222 5.3 20
Show 18228-1843 CHR 235 182 0.1 21
Show 18217-1909 BRT1531 215 4.9 23
Show 18214-1852 EVS 35 AB 204 10.6 29
Show 18214-1852 KRV 48 AC 157 71.4 29
Show 18214-1852 KRV 48 AD 98 95.0 29
Show 18238-1930 LEO 16 84 1.2 29
Show 18237-1936 ARA 746 280 12.9 34
Show 18242-1935 BU 49 AB 45 8.2 35
Show 18242-1935 BU 49 AC 304 22.4 35
Show 18242-1935 BU 49 AD 149 23.4 35
Show 18260-1901 TDT 863 23 1.7 40
Show 18232-1823 TOB 288 184 12.6 41
Show 18246-1944 OCC 459 -1 2.5 46
Show 18262-1846 J 1743 265 3.4 46
Show 18210-1939 BU 48 AB 349 2.6 48
Show 18210-1939 BU 48 AC 283 78.6 48
Show 18210-1939 BU 48 CD 57 16.4 49
Show 18229-1818 J 1629 82 8.6 50
Show 18262-1832 CHR 236 116 0.1 53
Show 18261-1829 ARA 478 54 12.0 54
Show 18272-1852 ARA 483 48 10.0 57
Show 18274-1900 ARA 751 313 7.8 60
Show 18270-1835 SKF 935 16 4.6 61
Show 18205-1951 DON 892 298 1.3 62
Show 18258-1953 ARA 750 112 3.6 63
Show 18209-1956 RST3177 326 1.3 63
Show 18264-1819 ARA 480 279 10.1 64
Show 18206-1811 SKF 100 140 3.8 64
Show 18270-1830 OCC 541 -1 0.4 64
Show 18274-1838 LEO 17 AB 211 4.1 65
Show 18274-1838 LEO 17 AC 276 17.9 65
Show 18186-1906 OCC9181 -1 0.2 65
Show 18267-1822 ARA 481 7 11.2 65
Show 18210-1805 DON 893 220 2.8 66
Show 18231-2009 DON 897 129 1.6 66
Show 18196-1944 WRH 30 273 0.3 66
Show 18274-1838 LEO 17 DE 295 15.9 68
Show 18191-1828 ARA 474 222 12.6 69
Show 18187-1837 BU 300 CD 329 6.3 69
Show 18212-1800 DON 894 342 1.2 69
Show 18187-1837 BU 639 AB 136 0.5 69
Show 18187-1837 SHJ 264 AB,C 50 17.2 69
Show 18187-1837 FOX 225 AB,E 328 145.6 69
Show 18184-1859 OCC9180 -1 0.1 69

 
 
WDS 18232-1903 : COMPONENTS
 
 
  A
B pa=151.2°
sep=1.24"
 
 
18232-1903 A
 
 
Componente originario normalizzato AB Name HD 168972 Coord arcsec 2000 182311.95-190258.4 Mag 10.27
Spectral class B9II (blue-white) PmRA -3.00 PmDE 2.0 Tycho2 6273-01001-1
HD 168972 ADS 11297 DM BD-19 4983
Tycho2
Tycho2 6273-01001-1 Pflag RAmdeg 275.79980693 DEmdeg -19.04956318
PmRA -3.0 PmDE 2.4 E RAmdeg 31 E DEmdeg 32
E pmRA 2.1 E pmDE 2.2 EpRAm 1988.40 EpDEm 1988.20
Num 4 Q RAmdeg 0.5 Q DEmdeg 1.9 Q pmRA 0.5
Q pmDE 1.9 BTmag 10.329 E BTmag 0.042 VTmag 10.274
E VTmag 0.057 Prox 999 TYC T HIP
CCDM RAdeg 275.79981444 DEdeg -19.04956889 EpRA 1990 1.45
EpDE 1990 1.39 E RAdeg 31.7 E DEdeg 32.5 Posflg
Corr 0.1
 
 
18232-1903 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182311.99-190259.5 Mag 10.3 Calc delta mag 0.03
Calc coord yes